Robinson Helicopter Company RTR 660, Maintenance Manual

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96-100 Electrical Load Analysis (continued)
COMPONENT QTY
CONTINUOUS
AMPS EACH
INTERMITTENT
AMPS EACH
CONTINUOUS
TOTAL
INTERMITTENT
TOTAL
TACH BUS
N
2
TACH (INCL REG) 1 0.022
1
0.022
1
0.022
1
0.022
1
N
2
TACH @ 13.75V 1 0.035 0.035
ROTOR TACH (INCL REG) 1 0.022
1
0.022
1
0.022
1
0.022
1
ROTOR TACH @13.75V 1 0.035 0.035
SUBTOTAL (TACH BUS)
0.044 0.044
COMPONENT QTY
CONTINUOUS
AMPS EACH
INTERMITTENT
AMPS EACH
CONTINUOUS
TOTAL
INTERMITTENT
TOTAL
OTHER EQUIPMENT
TACH RELAY 1 0.060 0.060 0.060 0.060
CLOCK (DIGITAL) 1 0.003 0.003 0.003 0.003
BATTERY RELAY 1 0.250 6.000 0.250 6.000
START/GEN RELAY 1 0.250 6.000 0.250 6.000
GEN LT RELAY 1 0.010 0.010 0.010 0.010
GEN CONTROL UNIT 1 0.200
4
2.000
5
0.200 2.000
IGNITION EXCITER 1 --- 1.500 0.000 1.500
EXTERNAL PWR RELAY
2
1 0.250 6.000 --- ---
BAGGAGE COMPARTMENT
LT
2
1 0.020 0.020
--- ---
SIGHT GLASS LED
2
2 0.020 0.020 --- ---
LATCHING START RELAY
3
1 0.060 0.060 --- ---
STARTER-GENERATOR
3
1 --- 231.06 --- ---
SUBTOTAL (OTHER)
0.773 15.573
TOTAL (MAIN + AV TACH + OTHER)
26.70 67.357
STARTER-GENERATOR MARGIN (160-AMP MAX)
+133.30 +92.657
SEP 2012 R66 Maintenance Manual Chapter 96 Electrical System
Page 96.11